Create app.py

app.py

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+from fastapi import FastAPI, Request, Response, HTTPException
+from fastapi.middleware.cors import CORSMiddleware
+import httpx
+import uvicorn
+from typing import Dict, Any, Optional
+import os
+
+app = FastAPI(title="LLM7.io API Proxy")
+
+# Configure CORS for all origins
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# Target API URL
+TARGET_API_URL = "https://api.llm7.io"
+
+@app.get("/")
+async def root():
+    return {
+        "status": "online",
+        "message": "LLM7.io API Proxy is running. Send requests to /v1/... endpoints.",
+        "usage": "This proxy forwards requests to api.llm7.io. No API key is required."
+    }
+
+@app.api_route("/{path:path}", methods=["GET", "POST", "PUT", "DELETE", "OPTIONS", "HEAD", "PATCH"])
+async def proxy(path: str, request: Request):
+    """
+    Proxy all requests to the LLM7.io API.
+    This handles any path and HTTP method, forwarding the request to the target API.
+    """
+    # Construct target URL
+    target_url = f"{TARGET_API_URL}/{path}"
+    
+    # Get request body if present
+    body = None
+    if request.method in ["POST", "PUT", "PATCH"]:
+        try:
+            body = await request.json()
+        except Exception:
+            try:
+                body = await request.body()
+            except Exception:
+                body = None
+    
+    # Get request headers, excluding host
+    headers = dict(request.headers)
+    headers.pop("host", None)
+    
+    # Create httpx client with timeout
+    async with httpx.AsyncClient(timeout=120.0) as client:
+        try:
+            # Forward the request to the target API
+            response = await client.request(
+                method=request.method,
+                url=target_url,
+                headers=headers,
+                json=body if isinstance(body, dict) else None,
+                content=body if not isinstance(body, dict) and body is not None else None,
+                params=request.query_params,
+                follow_redirects=True
+            )
+            
+            # Create response with same status code, headers, and content
+            return Response(
+                content=response.content,
+                status_code=response.status_code,
+                headers=dict(response.headers),
+            )
+        except httpx.RequestError as exc:
+            raise HTTPException(status_code=503, detail=f"Error forwarding request: {str(exc)}")
+
+if __name__ == "__main__":
+    # Get port from environment variable or use default
+    port = int(os.environ.get("PORT", 7860))
+    
+    # Run the server
+    uvicorn.run(app, host="0.0.0.0", port=port)